<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8"/>
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
    <title>文件管理</title>
    <link rel="stylesheet" href="../../assets/libs/layui/css/layui.css"/>
    <link rel="stylesheet" href="../../assets/module/admin.css?v=316"/>
    <!--[if lt IE 9]>
    <script src="https://oss.maxcdn.com/html5shiv/3.7.3/html5shiv.min.js"></script>
    <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
    <![endif]-->
    <style>
        /* 文件列表item */
        .file-choose-list-item {
            position: relative;
            display: inline-block;
            vertical-align: top;
            padding: 8px 8px;
            margin: 5px 0;
            cursor: pointer;
        }

        .file-choose-list-item:hover {
            background-color: #F7F7F7;
        }

        /* 文件列表图片 */
        .file-choose-list-item-img {
            width: 90px;
            height: 90px;
            background-repeat: no-repeat;
            background-position: center;
            background-size: cover;
            border-radius: 3px;
            overflow: hidden;
            position: relative;
            background-color: #eee;
        }

        .file-choose-list-item-img.img-icon {
            background-size: inherit;
            background-color: transparent;
        }

        .file-choose-list-item.active .file-choose-list-item-img:after {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            right: 0;
            background: rgba(0, 0, 0, 0.3);
        }

        /* 文件列表名称 */
        .file-choose-list-item-name {
            width: 90px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            color: #333;
            font-size: 12px;
            text-align: center;
            margin-top: 12px;
        }

        /* 文件列表复选框 */
        .file-choose-list-item-ck {
            position: absolute;
            right: 8px;
            top: 8px;
        }

        .file-choose-list-item-ck .layui-form-checkbox {
            padding: 0;
        }

        /* 文件列表操作菜单 */
        .file-choose-oper-menu {
            background-color: #fff;
            position: absolute;
            left: 8px;
            top: 8px;
            border-radius: 2px;
            box-shadow: 0px 0px 10px rgba(0, 0, 0, .15);
            transition: all .3s;
            overflow: hidden;
            transform: scale(0);
            transform-origin: left top;
            visibility: hidden;
        }

        .file-choose-oper-menu.show {
            transform: scale(1);
            visibility: visible;
        }

        /* 文件列表操作菜单item */
        .file-choose-oper-menu-item {
            color: #555;
            padding: 6px 5px;
            font-size: 14px;
            min-width: 70px;
            text-align: center;
            cursor: pointer;
            display: block;
        }

        .file-choose-oper-menu-item:hover {
            background-color: #eee;
        }

        /** 文件列表为空时样式 */
        .file-choose-empty {
            text-align: center;
            color: #999;
            padding: 50px 0;
        }

        .file-choose-empty .layui-icon {
            font-size: 60px;
            display: block;
            margin-bottom: 8px;
        }

    </style>
</head>
<body>
<!-- 加载动画 -->
<div class="page-loading">
    <div class="ball-loader">
        <span></span><span></span><span></span><span></span>
    </div>
</div>

<!-- 正文开始 -->
<div class="layui-fluid">
    <div class="layui-card">
        <div class="layui-card-body layui-text" style="color: #333;">
            以下是静态页面，后台集成示例参考
            <a href="https://gitee.com/whvse/easy-fs" target="_blank">获取源码</a>
        </div>
    </div>
    <div class="layui-card">
        <div class="layui-card-header">当前位置：<span id="tv-current-position">/</span></div>
        <div class="layui-card-body">
            <div>
                <button id="file-btn-back" class="layui-btn layui-btn-sm layui-btn-primary icon-btn">
                    <i class="layui-icon">&#xe65c;</i>返回上级
                </button>
                <button id="file-btn-refresh" class="layui-btn layui-btn-sm layui-btn-primary icon-btn">
                    <i class="layui-icon">&#xe669;</i>刷新
                </button>
                <button id="file-btn-upload" class="layui-btn layui-btn-sm layui-btn-normal icon-btn">
                    <i class="layui-icon">&#xe681;</i>上传文件
                </button>
                <button id="file-btn-choose" class="layui-btn layui-btn-sm layui-btn-primary icon-btn"
                        style="margin-left: 10px;">
                    <i class="layui-icon">&#xe634;</i>弹窗选择
                </button>
            </div>
            <div id="file-list-group"></div>
        </div>
    </div>
</div>

<!-- js部分 -->
<script type="text/javascript" src="../../assets/libs/layui/layui.js"></script>
<script type="text/javascript" src="../../assets/js/common.js?v=316"></script>
</body>
<script>
    layui.use(['jquery', 'layer', 'element', 'upload', 'admin', 'util', 'fileChoose'], function () {
        var $ = layui.jquery;
        var layer = layui.layer;
        var element = layui.element;
        var upload = layui.upload;
        var admin = layui.admin;
        var util = layui.util;
        var fileChoose = layui.fileChoose;
        var dataList = [];

        // 渲染列表
        function renderList(dir) {
            dir || (dir = $('#tv-current-position').text());
            layer.load(2);
            $.get('../../json/files.json', {
                dir: dir
            }, function (res) {
                layer.closeAll('loading');
                dataList = res.data;
                var htmlStr = fileChoose.renderList({
                    data: dataList,
                    menu: [{
                        name: '预览',
                        event: 'preview'
                    }, {
                        name: '复制',
                        event: 'copy'
                    }, {
                        name: '<span style="color: red;">删除</span>',
                        event: 'del'
                    }]
                });
                $('#file-list-group').html(htmlStr);
            }, 'json');
        }

        renderList();

        // 列表点击事件
        $(document).off('click.fclip').on('click.fclip', '#file-list-group .file-choose-list-item', function (e) {
            var item = dataList[$(this).data('index')];
            if (item.isDir) {  // 是否是文件夹
                var cDir = $('#tv-current-position').text();
                cDir += (cDir == '/' ? item.name : ('/' + item.name));
                $('#tv-current-position').text(cDir);
                renderList(cDir);
            } else {
                var $cMenu = $(this).find('.file-choose-oper-menu');
                $('.file-choose-oper-menu').not($cMenu).removeClass('show');
                $cMenu.toggleClass('show');
                e.stopPropagation();
            }
        });
        // 点击空白隐藏下拉框
        $(document).off('click.fclomp').on('click.fclomp', function (e) {
            $('.file-choose-oper-menu').removeClass('show');
        });

        // 菜单事件监听
        $(document).off('click.fclomip').on('click.fclomip', '#file-list-group .file-choose-oper-menu-item', function () {
            var event = $(this).data('event');
            var dataIndex = $(this).parent().parent().data('index');
            if (event == 'del') {  // 删除
                layer.confirm('确定要删除此文件吗？', {shade: .1}, function () {
                    layer.msg('操作成功', {icon: 1});
                    renderList();
                });
            } else if (event == 'preview') {
                window.open(dataList[dataIndex].url);
            } else {
                layer.msg('点击了' + event + '，索引' + dataIndex, {icon: 1});
            }
        });

        // 刷新
        $('#file-btn-refresh').click(function () {
            renderList();
        });

        // 返回上级
        $('#file-btn-back').click(function () {
            var cDir = $('#tv-current-position').text();
            if (cDir != '/') {
                cDir = cDir.substring(0, cDir.lastIndexOf('/'));
                cDir || (cDir = '/');
                $('#tv-current-position').text(cDir);
                renderList(cDir);
            }
        });

        // 上传
        upload.render({
            elem: '#file-btn-upload',
            accept: 'file'
        });

        // 弹窗选择
        $('#file-btn-choose').click(function () {
            fileChoose.open({
                fileUrl: '',
                listUrl: '../../json/files.json',
                num: 3,
                dialog: {
                    offset: '60px'
                },
                onChoose: function (urls) {
                    layer.msg('你选择了：' + JSON.stringify(urls), {icon: 1});
                }
            });
        });

    });
</script>
</html>